name: ci/gh-actions/guix

on:
  push:

env:
  APT_SET_CONF: |
    echo "Acquire::Retries \"3\";"         | sudo tee -a /etc/apt/apt.conf.d/80-custom
    echo "Acquire::http::Timeout \"120\";" | sudo tee -a /etc/apt/apt.conf.d/80-custom
    echo "Acquire::ftp::Timeout \"120\";"  | sudo tee -a /etc/apt/apt.conf.d/80-custom

jobs:
  cache-sources:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: depends sources cache
        id: cache
        uses: actions/cache@v3
        with:
          path: contrib/depends/sources
          key: sources-${{ hashFiles('contrib/depends/packages/*') }}
      - name: download depends sources
        if: steps.cache.outputs.cache-hit != 'true'
        run: make -C contrib/depends download

  cache-guix:
    runs-on: ubuntu-latest
    needs: [cache-sources]
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: guix cache
        id: cache
        uses: actions/cache@v3
        with:
          path: |
            gnu/store
            guix_db.sqlite
          key: guix-${{ hashFiles('contrib/guix/manifest.scm') }}
      - name: move guix store
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          if [[ -e "guix_db.sqlite" ]]; then
              sudo mkdir -p /var/guix/db
              sudo mv gnu /gnu
              sudo cp guix_db.sqlite /var/guix/db/db.sqlite

              sudo chmod 1775 /gnu/store
              sudo chown 0644 /var/guix/db/db.sqlite
              sudo chown -R root:root /gnu/store /var/guix/db/db.sqlite
          fi
      - name: depends sources cache
        if: steps.cache.outputs.cache-hit != 'true'
        uses: actions/cache/restore@v3
        with:
          path: contrib/depends/sources
          key: sources-${{ hashFiles('contrib/depends/packages/*') }}
      - name: set apt conf
        if: steps.cache.outputs.cache-hit != 'true'
        run: ${{env.APT_SET_CONF}}
      - name: install dependencies
        if: steps.cache.outputs.cache-hit != 'true'
        run: sudo apt update; sudo apt -y install guix git ca-certificates
      - name: dry run
        if: steps.cache.outputs.cache-hit != 'true'
        run: DRY_RUN=1 SUBSTITUTE_URLS='http://ci.guix.gnu.org' JOBS=2 ./contrib/guix/guix-build
      - name: prepare guix store for caching
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          sudo systemctl stop guix-daemon
          sudo mv /gnu gnu
          sudo mv /var/guix/db/db.sqlite guix_db.sqlite

  build-guix:
    runs-on: ubuntu-latest
    needs: [cache-guix]
    strategy:
      fail-fast: false
      matrix:
        toolchain:
          - name: "x86_64-linux-gnu"
            host: "x86_64-linux-gnu"
          - name: "x86_64-linux-gnu.no-tor-bundle"
            host: "x86_64-linux-gnu.no-tor-bundle"
          - name: "x86_64-linux-gnu.pack"
            host: "x86_64-linux-gnu.pack"
          - name: "aarch64-linux-gnu"
            host: "aarch64-linux-gnu"
          - name: "arm-linux-gnueabihf"
            host: "arm-linux-gnueabihf"
          - name: "riscv64-linux-gnu"
            host: "riscv64-linux-gnu"
          - name: "x86_64-w64-mingw32"
            host: "x86_64-w64-mingw32"
          - name: "x86_64-w64-mingw32.installer"
            host: "x86_64-w64-mingw32.installer"
          - name: "x86_64-apple-darwin"
            host: "x86_64-apple-darwin"
          - name: "arm64-apple-darwin"
            host: "arm64-apple-darwin"
    name: ${{ matrix.toolchain.name }}
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
          submodules: recursive
      - name: guix cache
        uses: actions/cache/restore@v3
        with:
          path: |
            gnu/store
            guix_db.sqlite
          key: guix-${{ hashFiles('contrib/guix/manifest.scm') }}
      - name: move guix store
        run: |
          if [[ -e "guix_db.sqlite" ]]; then
              sudo mkdir -p /var/guix/db
              sudo mv gnu /gnu
              sudo cp guix_db.sqlite /var/guix/db/db.sqlite
          
              sudo chmod 1775 /gnu/store
              sudo chown 0644 /var/guix/db/db.sqlite
              sudo chown -R root:root /gnu/store /var/guix/db/db.sqlite
          fi
      - name: depends cache
        uses: actions/cache@v3
        with:
          path: contrib/depends/built
          key: depends-${{ matrix.toolchain.host }}-${{ hashFiles('contrib/depends/packages/*') }}
      - name: depends sources cache
        uses: actions/cache/restore@v3
        with:
          path: contrib/depends/sources
          key: sources-${{ hashFiles('contrib/depends/packages/*') }}
      - name: set apt conf
        run: ${{env.APT_SET_CONF}}
      - name: install dependencies
        run: sudo apt update; sudo apt -y install guix git ca-certificates
      - name: build
        run: SUBSTITUTE_URLS='http://ci.guix.gnu.org' HOSTS="${{ matrix.toolchain.host }}" JOBS=2 ./contrib/guix/guix-build
      - uses: actions/upload-artifact@v3
        with:
          name: ${{ matrix.toolchain.name }}
          path: |
            guix/guix-build-*/output/${{ matrix.toolchain.host }}/*